In the real world, most economic systems are:

The IS curve plots for each level of income the ________ that causes income to equal ________

A) interest rate, planned expenditures B) interest rate, planned autonomous spending C) planned autonomous spending, planned expenditures D) planned autonomous spending, planned autonomous spending

If you buy a second-hand, American-made laptop computer to use for taking notes in your economics class, then it will be classified in GDP accounting as

a. a used good and not counted as part of GDP b. a consumption expenditure c. an investment expenditure d. a household expenditure e. a service good